1120444240 has 40 divisors (see below), whose sum is σ = 2622544200. Its totient is φ = 445165056.

The previous prime is 1120444219. The next prime is 1120444271. The reversal of 1120444240 is 424440211.

It can be written as a sum of positive squares in 4 ways, for example, as 198471744 + 921972496 = 14088^2 + 30364^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35079 + ... + 58918.

It is an arithmetic number, because the mean of its divisors is an integer number (65563605).

Almost surely, 2^1120444240 is an apocalyptic number.

1120444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120444240 is an abundant number, since it is smaller than the sum of its proper divisors (1502099960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120444240 is a wasteful number, since it uses less digits than its factorization.

1120444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94159 (or 94153 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1120444240 is about 33473.0375078211. The cubic root of 1120444240 is about 1038.6361066004.

Adding to 1120444240 its reverse (424440211), we get a palindrome (1544884451).

The spelling of 1120444240 in words is "one billion, one hundred twenty million, four hundred forty-four thousand, two hundred forty".